<div>
  <% if flash[:alert] %>
    <p id="notice"><%= flash[:alert] %></p>
  <% end %>

  <%= form_tag do %>
      <div>
        <label for="user_id">User ID:</label>
        <%= text_field_tag :user_id, params[:user_id] %>
      </div>
  <br />
      <div>
        <%= submit_tag "OK" %>
      </div>
  <% end %>
</div>
